use DEBUG_TRACE for some AudioUnit GUI debugging

git-svn-id: svn://localhost/ardour2/branches/3.0@10523 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/au_pluginui.mm b/gtk2_ardour/au_pluginui.mm
index 2b3053d20f5a586e2b54eb43f36eeaf04fd63a7e..c90f4c1f3e685e32a13c70cf3e77f489d9c6e23c 100644 (file)
--- a/gtk2_ardour/au_pluginui.mm
+++ b/gtk2_ardour/au_pluginui.mm
@@ -5,7 +5,9 @@
 
 #include "pbd/convert.h"
 #include "pbd/error.h"
+
 #include "ardour/audio_unit.h"
+#include "ardour/debug.h"
 #include "ardour/plugin_insert.h"
 
 #undef check // stupid gtk, stupid apple
@@ -286,10 +288,14 @@ AUPluginUI::create_cocoa_view ()
                                                    &isWritable );
 
        numberOfClasses = (dataSize - sizeof(CFURLRef)) / sizeof(CFStringRef);
-       
+
        // Does view have custom Cocoa UI?
        
        if ((result == noErr) && (numberOfClasses > 0) ) {
+
+               DEBUG_TRACE(DEBUG::AudioUnits,
+                           string_compose ( "based on %1, there are %2 cocoa UI classes\n", dataSize, numberOfClasses));
+
                cocoaViewInfo = (AudioUnitCocoaViewInfo *)malloc(dataSize);
                if(AudioUnitGetProperty(*au->get_au(),
                                        kAudioUnitProperty_CocoaUI,
@@ -299,12 +305,17 @@ AUPluginUI::create_cocoa_view ()
                                        &dataSize) == noErr) {
 
                        CocoaViewBundlePath     = (NSURL *)cocoaViewInfo->mCocoaAUViewBundleLocation;
-                       
+                               
                        // we only take the first view in this example.
                        factoryClassName        = (NSString *)cocoaViewInfo->mCocoaAUViewClass[0];
+                       
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("the factory name is %1 bundle is %2\n",
+                                                                       factoryClassName, CocoaViewBundlePath));
 
                } else {
 
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("No cocoaUI property cocoaViewInfo = %1\n", cocoaViewInfo));
+
                        if (cocoaViewInfo != NULL) {
                                free (cocoaViewInfo);
                                cocoaViewInfo = NULL;
@@ -318,11 +329,15 @@ AUPluginUI::create_cocoa_view ()
 
        if (CocoaViewBundlePath && factoryClassName) {
                NSBundle *viewBundle    = [NSBundle bundleWithPath:[CocoaViewBundlePath path]];
+
+               DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create bundle, result = %1\n", viewBundle));
+
                if (viewBundle == nil) {
                        error << _("AUPluginUI: error loading AU view's bundle") << endmsg;
                        return -1;
                } else {
                        Class factoryClass = [viewBundle classNamed:factoryClassName];
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create factory class, result = %1\n", factoryClass));
                        if (!factoryClass) {
                                error << _("AUPluginUI: error getting AU view's factory class from bundle") << endmsg;
                                return -1;
@@ -340,8 +355,12 @@ AUPluginUI::create_cocoa_view ()
                                return -1;
                        }
 
+                       DEBUG_TRACE (DEBUG::AudioUnits, "got a factory instance\n");
+
                        // make a view
                        au_view = [factoryInstance uiViewForAudioUnit:*au->get_au() withSize:crect.size];
+
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
                        
                        // cleanup
                        [CocoaViewBundlePath release];
@@ -358,7 +377,10 @@ AUPluginUI::create_cocoa_view ()
 
        if (!wasAbleToLoadCustomView) {
                // load generic Cocoa view
+               DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Loading generic view using %1 -> %2\n", au,
+                                                               au->get_au()));
                au_view = [[AUGenericView alloc] initWithAudioUnit:*au->get_au()];
+               DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
                [(AUGenericView *)au_view setShowsExpertParameters:YES];
        }